None of the above.
The teacher said to Rajat, “You should do
this exercise again tomorrow.“
A The teacher instructed Rajat that he should do
that exercise again the next day.
B The teacher told Rajat that he shall do that exercise
again the next day.
C The teacher told Rajat to do the exercise
again.
D All of the above.
The answer is not D as C does not mention the date